Hollow brick or tile die.



No. 762,899. PATENTBD JUNE 21, 1994. A CEELLETT.. HOLLQW BEIGE @E TILE:DIE.

AEELTIGTA'IIIQN NLR@ SR?? 30; 1903.

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@29Min waas d? mi PATENTED JUNE 21, 1904.

A. GILLETT.

HOLLOW BRICK 0R TILE DIE.

APPLICATION FILED SEPT. 30, 1 903.

2 SHEETS-SHEET Z.

NO MODEL.

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UNTTEE STATES Patented June 21, 1904.

ARTHUR GILLET'I, OFGALESBURG, ILLINOIS.

HOLLOW BRICK OR TILE DIE.

SPECIFICATION forming part of Letters Patent No. 762,899, dated June 21,1904.

Application ledfSeptemberSO, 1903. Serial No. 175,207. (No model.)

Be it known that I, ARTHUR (,ILLE'rT, aciti- Zen of the United States,residing at (ralesbu rg, in the county of Knox and State of Illinois,have invented certain new and useful Improvements in Hollow Brick orTile Dies, of' which the following is a specification.

rIhis invention relates to dies for forming hollow bricks or tiles usedfor building purposes, the object in view being' to provide a simple andeffective die through which material in a plastic condition is adaptedto be forced by any suitable feeding mechanism, the die acting duringthe passage of the plastic material therethrough to compress and shapethe material into the form ot' a hollow brick or tile, producing therequired channels or openings through the body of the brick or tile andat the same time forming one or more of the other flat sides ofthe tileor brick with grooves orplaster-receiving recesses of special shape.

In buildings of modern construction it is desirable and customary toemploy bricks or tiles of hollow form for purposes well known and alsoto provide one or more of' the outer surfaces of such bricks or tileswith grooves of' such shape as to receive a portion of the plaster withwhich the walls formed by the bricks are covered, so that an effectivebond is established between the plaster and the bricks forming the wall,thereby doing away with the usual laths employed until recent years forthat purpose.

The aim of the present invention is to provide a die of such shape andconfiguration as to form tiles or bricks of' the construction referredto by simply 'forcing the clay or other material while in plasticcondition through the die.

I ith these and other objects in view, which will more readily appear asthe nature of the invention is better understood, the same consists inthe novel construction, combination, and arrangement of parts, as willbe hereinafter more fully described, illustrated, and claimed.

In the accompanying drawings, Figure I is a top plan view of a doubledie constructed in accordance with the present invention. Fig. 2 is avertical longitudinal section through the same. 3 is a verticalcross-section through the saine. Fig. 4 is a detail perspective view oi'the bridge and channel formers. Fig, 5 is a detail View of' one of thegroove* formers. Fig. 6 is a perspective view of a hollow tile or brickformed by the die.

Like reference-numerals designate corresponding parts throughout theseveral figures of the drawings. l

Under the preferred embodiment of this invention two or more dies areconstructed in one-that is to say, the dies are arranged in series or ina cluster, so that plastic material may be simultaneously introduced toall the dies and a number of bricks or tiles formed at one and the sametime.

In the drawings I have illustrated two dies formed in one with eachother, the main body of the die being substantially rectangular incross-section or comprising the four pendent sides l, which convergefrom their upper toward their lower edges, so that the plastic materialas it is forced through the die vfrom top to bottom is compressed orcompacted by said downwardly-convergent walls.

2 designates a dividing-partition which separates the space between thewalls l into two compartments or separate dies of equal size and of thesame shape, whereby two tiles or bricks are simultaneously formed. Itmay here be noted that the number oi dies or compartnients may bediminished or increased ad Ziff/ma without departing from the principlesor sacrificing any of' the advantages herein-,

after claimed.

The die as a whole is provided at or near the top with a flange or rim3, extending' entirely around the same and which serves as a support forthe die, the said flange being' adapted to rest upon parallel railsorsupporting-bars placed at any suitable elevation.

Extending across the top of each die or compartment is a bridge 4,provided at opposite ends with legs 5, which extend downward and are,supported upon the top of the die and preferably upon the top ot' theflange 3. Connected to the bridge 4 and extending downwardly therefromare the shanks or stems 6 of a pair of channel-formels 7. The lower'ends of the channel-formels lie substantially lOO flush with the bottomedge of the side walls l of the die and may be given any suitable shapein cross-section. For th'e purposes of illustration Asaidchannel-formers are given a rectangular shape at their lower ends,tapering from thence upward to the points where they merge into theshanks or stems 6. Thus the sides of the channel-formers 7 graduallydiverge in a downward direction, so that they act to compress theplastic material as it is forced through the die, the said materialbeing compressed between the channel-formers and also between saidformers and the oppositely-lying downwardly-convergent walls l of thedie. In this way as the material is forced through the die channels oropenings are formed through the body of the tile or brick produced inthe operation.

Secured to the inner surface of one or more walls of the die aregroove-formers 8, which are tapered or of wedgeform toward their upperends. (See Figs. l and 2.) The lower ends of the groove-formers lieclose to the bottom of the die, Awhile the tapering upper ends thereoflare brought to a point or edge, so as to divide the plastic material asit comes in contact therewith. By preference the groove-formels 8 are ofdovetailed shape in cross-section, so that they serve thereby to formcross-sectionally-dovetailed grooves in one or more surfaces of thebrick or tile, the purpose of said grooves being referred tohereinabove.

From the foregoing description it will be understood that the clay orother material in plastic condition when forced through the die from topto bottom will be acted upon by the side walls of the die and also bythe channelformers and groove-formers, all of which contribute tocompress or compact the plastic mass, which passes from the die in theform of a tile or brick, which may be cut into suitable blocks orlengths to suit requirements. It will be seen that the material iscompressed between the side Walls l and the channelform in the brick ortile.

formers and that said material is also compressed between thechannel-formels themselves. Any number of channel-formers may beemployed, and likewise any number of groove-formers, according to thenumber of channels or grooves which it is desired to It will also beunderstood that the several parts of the die may be formed of one piece,or said parts may be separately formed and united together in any usualor convenient manner. By reason of the particular shape given to the dieand the several parts thereof no oiling or lubricating of the parts ofthe die is necessary. The plastic material may be fed to the die by anauger-feed or any other suitable machine for that purpose.

I do not Wish to be limited to the details of construction herein shownand described, and accordingly reserve the right to make such changes inthe form, proportion, and minor details of construction as properly fallwithin the scope of the appended claims.

Having thus described the invention, what is claimed,and desired to besecured by Letters Patent, is-

1. A die comprising convergingwalls, means for forming openings orchannels through the body of a plastic mass as the latter is forcedthrough the die, and one or more wedgeshaped groove-formers secured tothe inner surface of one of the walls of the die.

2. A die comprising converging walls, channel-formers located betweenand out of contact with said walls, and one or more wedgeshapedgroove-formers secured to the inner surface of one of the die-walls andhaving its opposite edges undercut, substantially as and for the purposespecified.

In testimony whereof I affix my signature in presence of two witnesses.

ARTHUR GILLETT.

Witnesses:

WM. D. GODFREY, BERTHA SEARLE.

